CN117999690A - 电极组件、包括其的锂二次电池、制造电极组件的方法以及管理电极滑动标准的方法 - Google Patents
电极组件、包括其的锂二次电池、制造电极组件的方法以及管理电极滑动标准的方法 Download PDFInfo
- Publication number
- CN117999690A CN117999690A CN202380013607.0A CN202380013607A CN117999690A CN 117999690 A CN117999690 A CN 117999690A CN 202380013607 A CN202380013607 A CN 202380013607A CN 117999690 A CN117999690 A CN 117999690A
- Authority
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- China
- Prior art keywords
- electrode
- negative electrode
- positive electrode
- face
- ratio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 89
- 238000004519 manufacturing process Methods 0.000 title claims description 40
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 22
- 229910052744 lithium Inorganic materials 0.000 title claims description 22
- 239000000203 mixture Substances 0.000 claims abstract description 227
- 238000010030 laminating Methods 0.000 claims description 12
- 238000003475 lamination Methods 0.000 claims description 12
- 238000007726 management method Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 101000635752 Homo sapiens Receptor-transporting protein 2 Proteins 0.000 claims description 2
- 102100030850 Receptor-transporting protein 2 Human genes 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 description 8
- 208000037516 chromosome inversion disease Diseases 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000011267 electrode slurry Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910015872 LiNi0.8Co0.1Mn0.1O2 Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 239000006256 anode slurry Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000002003 electrode paste Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
- H01M50/557—Plate-shaped terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M2010/4292—Aspects relating to capacity ratio of electrodes/electrolyte or anode/cathode
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20220098524 | 2022-08-08 | ||
| KR10-2022-0098524 | 2022-08-08 | ||
| PCT/KR2023/011396 WO2024034994A1 (ko) | 2022-08-08 | 2023-08-03 | 전극조립체, 이를 포함하는 리튬 이차전지, 전극조립체의 제조방법 및 전극 슬라이딩 규격의 관리방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117999690A true CN117999690A (zh) | 2024-05-07 |
Family
ID=89852099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202380013607.0A Pending CN117999690A (zh) | 2022-08-08 | 2023-08-03 | 电极组件、包括其的锂二次电池、制造电极组件的方法以及管理电极滑动标准的方法 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4386927A1 (ko) |
| KR (1) | KR20240020683A (ko) |
| CN (1) | CN117999690A (ko) |
| WO (1) | WO2024034994A1 (ko) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101978531B (zh) * | 2009-02-24 | 2014-05-07 | 松下电器产业株式会社 | 非水系二次电池用电极板及其制造方法和使用该电极板的非水系二次电池 |
| KR101966774B1 (ko) * | 2016-03-29 | 2019-04-08 | 주식회사 엘지화학 | 이차전지용 음극, 이의 제조방법 및 이를 포함하는 이차전지 |
| KR20180079817A (ko) | 2017-01-02 | 2018-07-11 | 동서대학교산학협력단 | 후면보조 모바일기기 케이스, 그리고 이를 기반한 모바일기기 상황 정보 표시 방법 |
| KR20210038257A (ko) * | 2019-09-30 | 2021-04-07 | 주식회사 엘지화학 | 일부 패턴 코팅된 양극을 포함하는 젤리-롤형 전극조립체, 및 이를 포함하는 이차전지 |
| KR20210061619A (ko) * | 2019-11-20 | 2021-05-28 | 주식회사 엘지화학 | 복수 금속 시트가 결합된 전극 리드를 포함하는 이차전지 및 이의 제조방법 |
| KR20220021841A (ko) * | 2020-08-14 | 2022-02-22 | 주식회사 엘지에너지솔루션 | 전극의 적층 특성을 개선한 음극시트 및 음극을 포함하는 전극조립체 및 그 제조방법 |
| KR20220098524A (ko) | 2021-01-04 | 2022-07-12 | 엘지이노텍 주식회사 | 모터 |
-
2023
- 2023-08-03 CN CN202380013607.0A patent/CN117999690A/zh active Pending
- 2023-08-03 WO PCT/KR2023/011396 patent/WO2024034994A1/ko active Application Filing
- 2023-08-03 KR KR1020230101535A patent/KR20240020683A/ko unknown
- 2023-08-03 EP EP23852874.9A patent/EP4386927A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20240020683A (ko) | 2024-02-15 |
| EP4386927A1 (en) | 2024-06-19 |
| WO2024034994A1 (ko) | 2024-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |